Before participating in an experiment, the participants must sign a document affirming that they have been told the basic outlines of the study and are aware of what their participation will involve, what risks the experiment many hold, and the fact that their participation is purely voluntary and they may terminate it at any time. This refers to which ethical principle of research

informed consent

Explanation:

Informed consent is an ethical principle employed in research, especially a research involving clinical trials that has to deal with human subjects. This ethical principle is hinged on the legal premise that prioritize the autonomy of the subject in a research. This means, that the researcher must communicate in clear terms, to the participants or human subjects, what the experiment entails and is all about, the benefits and risks the participants are exposed to. It also stresses that the participants, having understood what is being communicated to them, should voluntarily give the researcher the express permission to carry on with the procedure on them.

The information given in the question clearly refers to the ethical principle of research known as informed content.

the minoan civilization flourished in the middle bronze age on the island of crete located in the eastern mediterranean from c. 2000 bce until c. 1500 bce. with their unique art and architecture, and the spread of their ideas through contact with other cultures across the aegean, the minoans made a significant contribution to the development of western european civilization as it is known today. labyrinth-like palace complexes, vivid frescoes depicting scenes such as bull-leaping and processions, fine gold jewelry, elegant stone vases, and pottery with vibrant decorations of marine life are all particular features of minoan crete.  

so basically their unique way of ding arts, as well as architecture.

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